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<?php |
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namespace Yiisoft\EventDispatcher\Tests\Provider; |
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use PHPUnit\Framework\TestCase; |
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use Yiisoft\EventDispatcher\Provider\ConcreteProvider; |
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use Yiisoft\EventDispatcher\Tests\Event\ClassInterface; |
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use Yiisoft\EventDispatcher\Tests\Event\ClassItself; |
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use Yiisoft\EventDispatcher\Tests\Event\Event; |
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use Yiisoft\EventDispatcher\Tests\Event\ParentClass; |
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use Yiisoft\EventDispatcher\Tests\Event\ParentInterface; |
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use function array_slice; |
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final class ConcreteProviderTest extends TestCase |
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{ |
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public function testListenerForEventIsReturned(): void |
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{ |
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$provider = $this->createConcreteProvider(); |
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$listener = fn () => null; |
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$provider->attach(Event::class, $listener); |
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$listeners = $provider->getListenersForEvent(new Event()); |
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$this->assertCount(1, $listeners); |
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$this->assertContains($listener, $listeners); |
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} |
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public function testDetachListenersForEventAreDetached(): void |
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{ |
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$provider = $this->createConcreteProvider(); |
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$provider->attach(Event::class, fn () => null); |
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$provider->detach(Event::class); |
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$listeners = $provider->getListenersForEvent(new Event()); |
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$this->assertCount(0, $listeners); |
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} |
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public function testListenersForClassHierarchyAreReturned(): void |
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{ |
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$provider = $this->createConcreteProvider(); |
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$provider->attach(ParentInterface::class, function (ParentInterface $parentInterface) { |
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$parentInterface->register('parent interface'); |
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}); |
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$provider->attach(ParentClass::class, function (ParentClass $parentClass) { |
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$parentClass->register('parent class'); |
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}); |
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$provider->attach(ClassInterface::class, function (ClassInterface $classInterface) { |
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$classInterface->register('class interface'); |
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}); |
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$provider->attach(ClassItself::class, function (ClassItself $classItself) { |
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$classItself->register('class itself'); |
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}); |
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$event = new ClassItself(); |
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foreach ($provider->getListenersForEvent($event) as $listener) { |
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$listener($event); |
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} |
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$classHierarchyHandlers = array_slice($event->registered(), 0, 2); |
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$interfaceHandlers = array_slice($event->registered(), 2); |
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$this->assertEquals( |
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[ |
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'class itself', |
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'parent class', |
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], |
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$classHierarchyHandlers |
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); |
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$this->assertContains('class interface', $interfaceHandlers); |
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$this->assertContains('parent interface', $interfaceHandlers); |
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} |
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private function createConcreteProvider(): ConcreteProvider |
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{ |
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return new ConcreteProvider(); |
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} |
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} |
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yiisoft /
event-dispatcher
